Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 13/00: Construction of valves or dampers for controlling air supply or draught (in general F16K)
F23L 13/00
Sub-Class
Stats
- 37 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 17 Total Patent Owners
- 155 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11939526 | Vent stack lids and associated systems and methods | Sep 10, 21 | Mar 26, 24 | SunCoke Technology and Development LLC |
| 11719433 | Velocity damper for a recovery boiler | Nov 11, 21 | Aug 08, 23 | Andritz, Inc. |
| 11668493 | Gas heater, method for operating the gas heater and a gas boiler | Mar 06, 20 | Jun 06, 23 | BDR Thermea Group B.V. |
| 11226095 | Velocity damper for a recovery boiler | Jan 20, 20 | Jan 18, 22 | Andritz, Inc. |
| 11142699 | Vent stack lids and associated systems and methods | Dec 28, 12 | Oct 12, 21 | SunCoke Technology and Development LLC |
| 11042170 | Process and apparatus for reducing pressure in a flue gas stream | Jul 24, 18 | Jun 22, 21 | UOP LLC |
| 10779544 | Rack oven and systems for using the same | Feb 27, 18 | Sep 22, 20 | Belshaw Bros., Inc. |
| 10563863 | Combustion system | Dec 11, 15 | Feb 18, 20 | Kawasaki Jukogyo Kabushiki Kaisha |
| 10495301 | Premixing apparatus | Jun 23, 16 | Dec 03, 19 | Rinnai Corporation |
| 10401027 | Non-return valve for flue gas venting and damper assembly for use therein | Mar 28, 17 | Sep 03, 19 | IPEX TECHNOLOGIES, INC. |
| 10222061 | Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes | Jan 05, 17 | Mar 05, 19 | American Air Liquide, Inc. |
| 10060624 | Damper for direct vent fireplace insert | Oct 18, 10 | Aug 28, 18 | Miles Industries Ltd. |
| 10059882 | Efficient drying and pyrolysis of carbon-containing material | Aug 29, 13 | Aug 28, 18 | EARTH SYSTEMS CONSULTING PTY LTD |
| 9857078 | Signal responsive well test burner | Feb 01, 13 | Jan 02, 18 | HALLIBURTON ENERGY SERVICES, INC. |
| 9677760 | Furnace heating combustion apparatus | Jan 28, 11 | Jun 13, 17 | OSAKA GAS CO., LTD. |
| 9574771 | Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes | Dec 30, 13 | Feb 21, 17 | AMERICAN AIR LIQUIDE, INC. |
| 9447987 | Variable air access films | Apr 30, 14 | Sep 20, 16 | PRECO, INC. |
| 9441840 | Heating apparatus with fan | Nov 15, 12 | Sep 13, 16 | Not available |
| 9341370 | Gas boiler including output adjusting device, and method of adjusting output of gas boiler | Aug 19, 11 | May 17, 16 | KYUNGDONG NAVIEN CO., LTD. |
| 9182116 | Efficient solid fuel burning appliance | Jun 09, 10 | Nov 10, 15 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2020/0375,196 | RACK OVEN AND SYSTEMS FOR USING THE SAME | Aug 18, 20 | Dec 03, 20 | Not available |
| 2018/0249,718 | RACK OVEN AND SYSTEMS FOR USING THE SAME | Feb 27, 18 | Sep 06, 18 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)